Montana · county areal climate 1951–2025
Sweet Grass County, MT
A 43.3°F / 19.1" normal · 2025 ran +1°F vs normal.
2026 so far · through Jul 10: This area is running
+3.9°F (43.6°F) vs the 1996–2025 to-date normal — the
1st warmest start of 76 years. Precipitation
70% of normal.
U.S. year-to-date → Normal (1996–2025)
43.3°F
annual mean · 19.1" precipitation
2025 vs Normal
+1°F
44.3°F · 22.0" (115% of normal)
Warmest Year
45.3°F
2015 · coldest 38.1°F (1951)
Wettest Year
26.8in
1975 · driest 13.0" (2012)
Hottest Day
98.3°F
Jul 13 · 2002
Coldest Day
-35.8°F
Dec 24 · 1983
Biggest Rain Day
2.07in
Jun 16 · 1992
Record
1951–2025
75 complete years · NOAA nClimGrid
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal
nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the
station records.